/**
 * @author ZhengDp
 * @Date 2023/4/6 21:46
 */
public class TreeNode {

    public int val;
    public TreeNode left;
    public TreeNode right;
    public TreeNode(){}
    public TreeNode(int val) {
        this.val = val;
    }

    public TreeNode(int val,TreeNode left,TreeNode right) {
        this.val = val;
        this.left = left;
        this.right = right;
    }


}
